Evaluation of expressions passed in arguments lists just before corresponding 'varg' opcodes.

src/libecmaobjects/ecma-globals.h

@@ -104,8 +104,10 @@ typedef enum
   ECMA_COMPLETION_TYPE_BREAK, /**< block completed with break */
   ECMA_COMPLETION_TYPE_CONTINUE, /**< block completed with continue */
   ECMA_COMPLETION_TYPE_THROW, /**< block completed with throw */
-  ECMA_COMPLETION_TYPE_EXIT /**< implementation-defined completion type
-                                 for finishing script execution */
+  ECMA_COMPLETION_TYPE_EXIT, /**< implementation-defined completion type
+                                  for finishing script execution */
+  ECMA_COMPLETION_TYPE_VARG /**< implementation-defined completion type
+                                 for varg (argument value specifier opcode) */
 } ecma_completion_type_t;
 
 /**

src/libecmaobjects/ecma-helpers-value.c

@@ -370,6 +370,7 @@ ecma_free_completion_value (ecma_completion_value_t completion_value) /**< compl
     case ECMA_COMPLETION_TYPE_NORMAL:
     case ECMA_COMPLETION_TYPE_THROW:
     case ECMA_COMPLETION_TYPE_RETURN:
+    case ECMA_COMPLETION_TYPE_VARG:
     {
       ecma_free_value (completion_value.value, true);
       break;